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patch: Support long context lines.
MFC after: 1 week Sponsored by: Klara, Inc. Reviewed by: allanjude Differential Revision: https://reviews.freebsd.org/D43850
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@ -1085,7 +1085,7 @@ patch_match(LINENUM base, LINENUM offset, LINENUM fuzz)
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LINENUM pat_lines = pch_ptrn_lines() - fuzz;
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const char *ilineptr;
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const char *plineptr;
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unsigned short plinelen;
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size_t plinelen;
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/* Patch does not match if we don't have any more context to use */
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if (pline > pat_lines)
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@ -55,7 +55,7 @@ static LINENUM p_max; /* max allowed value of p_end */
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static LINENUM p_context = 3; /* # of context lines */
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static LINENUM p_input_line = 0; /* current line # from patch file */
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static char **p_line = NULL;/* the text of the hunk */
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static unsigned short *p_len = NULL; /* length of each line */
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static size_t *p_len = NULL; /* length of each line */
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static char *p_char = NULL; /* +, -, and ! */
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static int hunkmax = INITHUNKMAX; /* size of above arrays to begin with */
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static int p_indent; /* indent to patch */
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@ -137,7 +137,7 @@ set_hunkmax(void)
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if (p_line == NULL)
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p_line = malloc(hunkmax * sizeof(char *));
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if (p_len == NULL)
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p_len = malloc(hunkmax * sizeof(unsigned short));
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p_len = malloc(hunkmax * sizeof(size_t));
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if (p_char == NULL)
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p_char = malloc(hunkmax * sizeof(char));
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}
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@ -154,7 +154,7 @@ grow_hunkmax(void)
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fatal("Internal memory allocation error\n");
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p_line = reallocf(p_line, new_hunkmax * sizeof(char *));
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p_len = reallocf(p_len, new_hunkmax * sizeof(unsigned short));
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p_len = reallocf(p_len, new_hunkmax * sizeof(size_t));
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p_char = reallocf(p_char, new_hunkmax * sizeof(char));
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if (p_line != NULL && p_len != NULL && p_char != NULL) {
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@ -1251,7 +1251,7 @@ bool
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pch_swap(void)
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{
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char **tp_line; /* the text of the hunk */
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unsigned short *tp_len;/* length of each line */
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size_t *tp_len; /* length of each line */
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char *tp_char; /* +, -, and ! */
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LINENUM i;
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LINENUM n;
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@ -1408,7 +1408,7 @@ pch_context(void)
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/*
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* Return the length of a particular patch line.
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*/
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unsigned short
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size_t
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pch_line_len(LINENUM line)
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{
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return p_len[line];
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@ -45,7 +45,7 @@ bool there_is_another_patch(void);
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bool another_hunk(void);
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bool pch_swap(void);
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char *pfetch(LINENUM);
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unsigned short pch_line_len(LINENUM);
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size_t pch_line_len(LINENUM);
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LINENUM pch_first(void);
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LINENUM pch_ptrn_lines(void);
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LINENUM pch_newfirst(void);
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@ -141,6 +141,24 @@ file_removal_body()
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atf_check -o inline:"y\n" cat foo
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}
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atf_test_case plinelen
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plinelen_body()
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{
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hello="$(jot -b hello -s, 20000 | tee foo.txt)"
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cp foo.txt bar.txt
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echo "world" >>bar.txt
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cat >foo.diff <<EOF
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--- foo.txt.orig
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+++ foo.txt
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@@ -1,1 +1,2 @@
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$hello
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+world
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EOF
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atf_check -o match:"Hunk #1 succeeded" \
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patch <foo.diff
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atf_check -o file:bar.txt cat foo.txt
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}
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atf_init_test_cases()
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{
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atf_add_test_case basic
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@ -148,4 +166,5 @@ atf_init_test_cases()
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atf_add_test_case file_creation
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atf_add_test_case file_nodupe
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atf_add_test_case file_removal
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atf_add_test_case plinelen
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}
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